These two watches are inspired by the past. The Patek Philippe Ref. 5098P-001 , powered by Caliber 25-21 REC and launched in 2007 , is inspired by a Chronometro Gondolo with a movement from 1913 cased circa 1920 , which is exhibited at the Patek Philippe ...
The movement is sometimes referenced online as you have it, but I've never seen a Certificate of origin with this "176 T". For example, on this page ( https://www.sothebys.com/en/buy/auction/2022/fine-watches-13/reference-5098-chronometro-gondolo-a-platin...